253987413 has 16 divisors (see below), whose sum is σ = 353880576. Its totient is φ = 161730800.

The previous prime is 253987403. The next prime is 253987417. The reversal of 253987413 is 314789352.

253987413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 253987413 - 2⁴ = 253987397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253987417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54838 + ... + 59288.

It is an arithmetic number, because the mean of its divisors is an integer number (22117536).

Almost surely, 2^253987413 is an apocalyptic number.

253987413 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

253987413 is a deficient number, since it is larger than the sum of its proper divisors (99893163).

253987413 is a wasteful number, since it uses less digits than its factorization.

253987413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5304.

The product of its digits is 181440, while the sum is 42.

The square root of 253987413 is about 15936.9825563059. The cubic root of 253987413 is about 633.2920918359.

The spelling of 253987413 in words is "two hundred fifty-three million, nine hundred eighty-seven thousand, four hundred thirteen".